Msconfig.exe is a troubleshooting tool that can be useful for temporarily disabling UAC to determine whether UAC is causing an application compatibility problem. To make the change, msconfig.exe simply modifies the registry value. To disable UAC with Msconfig.exe, follow these steps:

Other Tips: Having too many programs run at startup can slow down the time it takes to log on or restart your computer. It also can be a pain to have 30 different icons in your task bar. Here, I will show you how to remove the items from Windows Startup... Read more: http://www.bench3.com/2009/06/disable-extra-startup-programs-in.htm